When placing an item in the furnace you cannot retrieve it without breaking the furnace block itself. Selecting the fuel button is not possible so you cannot place fuel in the furnace at all. Didn't have any issues like this until 7.0 was released today. Thanks.
P.s.- love all the new additions. Can't wait for Nether!!
Duplicate of MCPE-2453, please use the search function to see if your bug has already been submitted. Currently over 59% of tickets are being closed as duplicate.